摘要:已知全集.M ={1.3.5.7}.N ={5.6.7}.则= .
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已知全集U={1,2,3,4,5,6,7},M={3,4,5},N={1,3,6},则{1,6}等于
- A.(CUM)∩N
- B.(CUN)∩M
- C.(CUM)∩(CUN)
- D.(M∪N)∩CU(M∩N)
已知全集U={1,2,3,4,5,6,7},M={3,4,5},N={1,3,6},则集合{2,7}等于( )
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A.M∩N | B.(C∪M)∩(C∪N) | C.(C∪M)∪(C∪N) | D.M∪N |